5fracciones que esten entre 11/5 y 12/5

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

How can i differentiate this equation?